Refactor - now wireguard based. (#7)

hub/app.go

@@ -2,6 +2,7 @@ package hub
 
 import (
 	"embed"
+	"encoding/base64"
 	"html/template"
 	"net/http"
 	"path/filepath"
@@ -47,6 +48,19 @@ func NewApp(conf Config) (*App, error) {
 	return app, nil
 }
 
-var templateFuncs = template.FuncMap{
-	"ipToString": ipBytesTostring,
+func (app *App) Handler() http.Handler {
+	cop := http.NewCrossOriginProtection()
+	return cop.Handler(app.mux)
+}
+
+var templateFuncs = template.FuncMap{
+	"ipToString":  ipBytesTostring,
+	"wgKeyString": wgKeyString,
+}
+
+func wgKeyString(key []byte) string {
+	if len(key) == 0 {
+		return "not set"
+	}
+	return base64.StdEncoding.EncodeToString(key)
 }